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Why is thread nid missing in thread dump

user7858972
user7858972 Member Posts: 11

Hello,

If I create a thread dump locally on my machine I get thread IDs like this

>2015-02-09 10:30:53

>Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.51-b03 mixed mode):

>"RMI TCP Connection(2)-10.10.10.103" daemon prio=6 tid=0x000000001047a000 nid=0x1004 runnable [0x000000001584e000]

However, one of our customers has an environment where he gets this when he generated  a thread dump

> 2015-02-03 11:09:09

> Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.60-b09 mixed mode):

> "Thread-65526" - Thread [email protected]

What you see is that for the latter dump the nid is missing from which we can obtain a relation to the OS thread.

Can you tell me how this can happen? A lot googling didn't gave me a thread dump like this either.

Best regards

Michael

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